87649640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2309}}^1$

素因数の和:2406

約数の個数: 64

約数和(自身を含む): 215384400

約数和(自身を除く): 127734760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 949, 1460, 1898, 2309, 2920, 3796, 4618, 4745, 7592, 9236, 9490, 11545, 18472, 18980, 23090, 30017, 37960, 46180, 60034, 92360, 120068, 150085, 168557, 240136, 300170, 337114, 600340, 674228, 842785, 1200680, 1348456, 1685570, 2191241, 3371140, 4382482, 6742280, 8764964, 10956205, 17529928, 21912410, 43824820, 87649640]

約数ペア:

[(1, 87649640), (2, 43824820), (4, 21912410), (5, 17529928), (8, 10956205), (10, 8764964), (13, 6742280), (20, 4382482), (26, 3371140), (40, 2191241), (52, 1685570), (65, 1348456), (73, 1200680), (104, 842785), (130, 674228), (146, 600340), (260, 337114), (292, 300170), (365, 240136), (520, 168557), (584, 150085), (730, 120068), (949, 92360), (1460, 60034), (1898, 46180), (2309, 37960), (2920, 30017), (3796, 23090), (4618, 18980), (4745, 18472), (7592, 11545), (9236, 9490)]